109782475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21011}}^1$

素因数の和:21051

約数の個数: 24

約数和(自身を含む): 156329280

約数和(自身を除く): 46546805

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 5225, 21011, 105055, 231121, 399209, 525275, 1155605, 1996045, 4391299, 5778025, 9980225, 21956495, 109782475]

約数ペア:

[(1, 109782475), (5, 21956495), (11, 9980225), (19, 5778025), (25, 4391299), (55, 1996045), (95, 1155605), (209, 525275), (275, 399209), (475, 231121), (1045, 105055), (5225, 21011)]